👉 Appender is a type of object in Java that represents an event handler for a logger. It is used to log messages at specific intervals or during certain events. For example, if you have a logger that logs messages every five minutes using an Appender object, and you want to trigger the logging after each instance of a certain class (e.g., `Appender`) has been created, you can use the following code: ``` // Define the logger Logger logger = Logger.getLogger("my